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Episodes

The British gave us the world’s first parliament. And now it turns out the ancient British may have been among the world’s first astronomers. Today we’re joined here at The Star Spot by archaeoastronomer Gail Higginbottom. Thanks to her and her team we now have proof that megalithic structures build hundreds of years before Stonehenge were in fact ancient astronomical observatories whose purpose is still shrouded in mystery.

Current in Space

About Our Guest

Dr. Gail Higginbottom is an interdisciplinary archaeo-astronomer at home in a variety of fields. She is Professor in the Department of Physics at the University of Adelaide and Professor in the Schoolof Archaeology and Anthropology at the Australian National University.

Extraterrestrial life might be erupting into space from the surface of Europa. And a NASA mission to the icy world could fly right through it. Today I’m joined here at The Star Spot by William Sparks, whose team discovered evidence for water vapour geysers on Jupiter’s fascinating moon.

Current in Space

Europa. Enceladus. Titan. Meet the newest ocean world: Saturn's moon Dione. Then just as we are coming to terms with an accelerating universe, astronomers suddenly announce we may have gotten worked up over nothing.

About Our Guest

William Sparks has been an astronomer with the Space Telescope Science Institute in Baltimore, Maryland since his days as a postdoc in 1986.He is currently the Deputy Division Head for the Instruments Division and a member of the Advanced Camera for Surveys Instrument Definition Team (ACS IDT). His research focuses on active galaxies, radio galaxies, X-ray emission in galaxy clusters, and astrobiology.

We’ve long known we’re made of star stuff, but now it turns out that life on Earth might be even more intimately connected to events in deep space than we imagined. Scientists recently reported the first ever discovery of supernova ash - atoms forged in the catastrophic explosion of dead stars - found buried in fossils created by bacteria right here on Earth. And most surprising of all these findings hint at a possible role for supernovae in bringing about mass extinctions, events which have changed the course of life on Earth and may do so again in our future. Today we’re joined at The Star Spot by the discovery team’s Professor Shawn Bishop.

Current in Space

We worry whether our search for extraterrestrial intelligence is looking in the right place. Tony tells us a better question might be whether we're looking at the right time. But might we be able to catch life ejected into space? Dave shares exciting evidence of enormous water jets coming from Jupiter's icy moon Europa. Finally Anuj provides an update on an exciting future space telescope that might just be built by little, green... robots.

About Our Guest

Shawn Bishop is an experimental nuclear astrophysicist at the Technical University of Munich in Germany. Bishop studied at McMaster University and the University of Victoria and received his PhD from Simon Fraser University in 2003. He has worked at TRIUMF National Laboratory in Vancouver and the RIKEN National Laboratory in Saitama, Japan. He studies nuclear physics, nucleosynthesis and supernovae.

Astronomers are no longer avoiding the void. Between the overdense zones of our universe, where most galaxies live, there exist vast regions of near emptiness that can stretch for hundreds of millions of light years. But these voids are not nearly as inconsequential as you might imagine and now they are finally getting the attention they deserve. Astronomers are peering into the void in the hopes of solving a variety of cosmic mysteries, from gleaning critical insights into dark matter to studying unique galaxies found in the voids. Today we’re joined at The Star Spot by Nico Hamaus as we study the spaces between.

Current in Space

Just as we're learning more about our solar system's own Kuiper Belt, we're also discovering that extrasolar systems may harbour similar structures. Dave helps us understand just where such disks may originate. And while it may be just a little world, Anuj tells us dwarf planet Pluto has a surprisingly complex inner (and surface) life.

About Our Guest

Nico Hamaus isresearch fellow in the Cosmology Group at the University Observatoryand Professor of Physics at the Ludwig Maximilians University in Munich, Germany.

No the ancient Maya did not predict the end of the world. But they were among the world’s most advanced astronomers. Now some anthropologists believe they’ve found evidence that the Maya achieved a remarkable innovation in mathematics and science. To share with us his revolutionary view of the famous Mayan Dresden Codex, the oldest book ever written in the Americas, today we’re joined at The Star Spot by Gerardo Aldana.

Current in Space

About Gerardo Aldana

Gerardo Aldana is a Professor at the University of California Santa Barbara with a joint appointment to the Department of Anthropology and the Department of Chicana and Chicano Studies. He holds degrees in both engineering and the history of science. His research interests include Mayan hieroglyphs, culture theory and experimental archaeology.

Recently headlines buzzed with news of the discovery of the nearest exoplanet that we will ever find. And it looks like it could very well be habitable. Proxima b, at just over 4 light years from Earth, is quickly fuelling the imagination, with one foundation already planning a spacecraft mission to the world within a single generation. Today we’re excited to be joined at The Star Spot by Guillem Anglada-Escudé, head of the team responsible for this amazing discovery.

Current in Space

About Our Guest

Dr. Guillem Anglada-Escudé is Lecturer at the School of Physics and Astronomy at Queen Mary University London in the UK. His research interests range from exoplanets to fundamental physics. He received his PhD from the University of Barcelona. Dr. Anglada has served as"Councillor of Culture, Citizen participation and Youth" for the city council of Ullastrell, a small village near Barcelona.

Large scale surveys of the universe are quickly becoming key to making new discoveries at the cutting edge of astronomy. Case in point is the Cosmic Evolution Survey (or COSMOS), which incorporates data from 446,000 galaxies.

Today we're joined at The Star Spot by Ludovic Van Waerbeke whose survey-based research has helped us expand our understanding of the expanding - and accelerating - universe, confirming the existence of an unknown source of energy, or dark energy, and providing a map of the large scale dark matter distribution of the cosmos.

About Our Guest

Ludovic Van Waerbeke is Professor of Physics and Astronomy at the University of British Columbia and Senior Fellow of the Canadian Institute for Advanced Research in the Cosmology and Gravity program.

Is our solar system unique? That's becoming a major question for researchers. It turns out solar system formation is a far more complex process than anyone imagined. Gas giants migrate in and out. Planets swap places with each other. And bodies of all shapes and sizes appear at every conceivable distance from their star. To make sense of what might literally be a chaotic system today I’m joined at The Star Spot by Aaron Boley, Canada Research Chair in Planetary Astronomy.

Current in Space

About Our Guest

Aaron Boley is Assistant Professor and Canada Research Chair in Planetary Astronomy at the University of British Columbia. He studied at the Institute for Theoretical Physics in Switzerland before holding a Sagan Postdoctoral Fellowship from the University of Florida. Boley is a frequent guest at public science events, having presented to Café Scientifique, Vancouver’s VanCityBuzz and the Royal Astronomical Society of Canada.

Imagine a starship that could take us out into the galaxy. Meet Icarus Interstellar, a nonprofit foundation working to achieve interstellar travel by the year 2100. Is this science fiction? That’s what I’ll ask Zachary Fejes. His team is tasked with preparing a map that will take us to the stars, and he joins Justin Trottier here at The Star Spot.

Current in Space

We know supernova are among the most destructive and violent events our universe is capable of producing. Now Tony tells us why they may have played a creative role in Earth history. Then Dave shares news of the first exoplanet discovered, alive and well, in a triple star system.

About Our Guest

Zachary Fejes is Project Lead forProject Voyager at Icarus Interstellar, a research and development project to create next generation space exploration mission planning and simulation software. If you’re like to join his team, which draws heavily from student volunteers, connect with him on twitter @zachfejes. He is a recent electrical engineering graduate from the University of Toronto.

Ever consider moving to Mars? The Star Spot did. Along with the University of Toronto Astronomy and Space Exploration Society, we co-hosted a panel event exploring one of the most fascinating questions in which science meets science fiction. The great terraforming Mars debate.

We were joined by a 5 member panel of experts, representing a wide range of backgrounds. We approached the issue from all angles: physics, astronomy, philosophy, ethics, commerce and politics.

Now over the course of 4 episodes I’m being joined at The Star Spot by each of our guests from that event.

We covered the science of Mars with planetary scientist Paul Delaney. We then turned questions of Martian and Earthling biology with Dr. Olathe MacIntyre. Finally, switching gears, we asked NASA’s planetary protection officer John Rummel if we should terraform a lifeless world.

These have been weighty discussions so in this fourth and final interview with journalist Chuck Black of Canadian Aerospace News we’re going to have a little fun. We’re going to dream of our loftiest vision of a Martian colony and we’re going to ask, if we do opt for colonization, how would we choose who to send as ambassadors of our species.

Current in Space

About Our Guest

Chuck Black is a journalist, technology advocate, public speaker and activist. He edits and contributes articles to theCommercial Space blog, theCanadian Aerospace News, and theSpace Conference News. He also organizes and produces events focused on the commercialization of space- derived technologies which bring together industry experts for detailed in-person discussions, collaboration and networking on a wide variety of topics for various groups.

Ever consider moving to Mars? The Star Spot did. Along with the University of Toronto Astronomy and Space Exploration Society, we co-hosted a panel event exploring one of the most fascinating questions in which science meets science fiction. The great terraforming Mars debate.

We were joined by a 5 member panel of experts, representing a wide range of backgrounds. We approached the issue from all angles: physics, astronomy, philosophy, ethics, commerce and politics. Now over the course of 4 episodes I’m being joined at The Star Spot by each of our guests from that event. We covered the science of Mars with planetary scientist Paul Delaney. We then turned questions of Martian and Earthling biology with Dr. Olathe MacIntyre.

Now it’s time to switch gears. Even if we could make Mars habitable, we must confront the equally profound question, should we do it? If Mars already habours life, even just microbes, does that make terraforming off limits? If Mars has dormant life, should we reawaken it? And do humans have an imperative to spread life to the barren worlds of our solar system and beyond?

To tackle these biggest of questions today we’re joined at The Star Spot by Professor John Rummel of NASA’s Planetary Protection Subcommittee.

Current in Space

What’s the best way to study the largest volcano in the solar system? Anuj explains. And while every major galaxy has a supermassive black hole at its centre, have you ever wondered just where do they come from? Tony sheds some light.

About Our Guest

John Rummel is a Senior Scientist with the SETI Institute and a Visiting Scholar at McGill University’s Institute of Air and Space Law. A retired Professor of Biology at East Carolina University, he has been a member of the NASA Advisory Council’s Planetary Protection Subcommittee. He previously worked at NASA Headquarters, as Senior Scientist for Astrobiology and Exobiology Program Manager. Rummel is Fellow of the American Association for the Advancement of Science. He has received the Life Sciences Award from the International Academy of Astronautics. He received his PhD in community ecology and evolution from Stanford University.

Ever consider moving to Mars? The Star Spot recently did. Along with the University of Toronto Astronomy and Space Exploration Society, we recently co-hosted a panel event exploring one of the most fascinating questions in which science meets science fiction. Can we terraform Mars to make it habitable? And if we can, should we?

We were joined by a 5 member panel of experts, representing a wide range of backgrounds in order to approach the issue from all angles: physics, astronomy, philosophy, ethics, commerce and politics. Now over the course of 4 episodes we're joined at The Star Spot by each of our guests from that event.

We started, appropriately, with the red planet itself. In our last episode planetary scientist Paul Delaney updated us with the most current understanding of the characteristics of Mars pertinent to the planet’s suitability for life.

Today we look at the biology, turning the focus on us, that is, the biota of Earth. We’ll be asking what we need to change about Mars to make it friendlier to our kind of life? What techniques are available toward that end? And could Earth life itself play a key role in transforming the red planet?

Current in Space

Did you know dung beetles use the Milky Way galaxy for navigation. Don't believe us? Anuj will explain how it works. Then Tony shares how supermassive black holes may unlock the secrets of distant galaxies.

About Our Guest

Dr. Olathe MacIntyre received a B.Sc. in Biology at Dalhousie University. After working as an Onboard Marine Biologist in Alaska, she completed her M.Sc. in Space Science at the International Space University in France, and co-authored “Visysphere Mars: Terraforming Meets Engineered Life Adaption.” She received an internship at the world-class Controlled Environment Systems Research Facility at the University of Guelph, where she earned a Ph.D. in Environmental Sciences. Her thesis explored the implications of hypobaric conditions for plant-microbe interactions in a Lunar or Martian greenhouse. She followed with a Postdoctoral Fellowship in the School of Engineering at the University of Guelph. She is currently with Science North, a science education centre, working to inspire the next generation of scientists through the wonders of space exploration.

Ever consider moving to Mars? The Star Spot recently did. Along with the University of Toronto Astronomy and Space Exploration Society, we recently co-hosted a panel event exploring one of the most fascinating questions in which science meets science fiction. Can we terraform Mars to make it habitable? And if we can, should we?

We were joined by a 5 member panel of experts, representing a wide range of backgrounds in order to approach the issue from all angles: physics, astronomy, philosophy, ethics, commerce and politics.

Now, over the next 4 episodes I’ll be joined at The Star Spot by each of our guests from that event.

We start with the science. For the debate over terraforming Mars depends in large part on the attributes of the red planet, on whether it harbours life, and on what technologies are possible to make the planet suitable for a human settlement and even civilization. To set the scene and to share his position in this great debate today we're joined at The Star Spot by planetary science Professor Paul Delaney.

The Star Spot is Now on the Radio!

The The Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time.

About Our Guest

Paul Delaney is Professor of Physics and Astronomy at York University. He received his undergraduate degree from the Australian National University in Canberra, Australia, and his graduate degree in astronomy from the University of Victoria in Canada. Professor Delaney oversees the York University campus observatory and its public outreach programs, and he appears regularly on York Universe, one of The Star Spot’s affiliated podcasts.

Thank you for joining here at The Star Spot for our special
100th episode. I want to take a moment to thank the 100 absolutely
stellar guests that have joined us on the show over the last 4
years. You have educated and inspired people of all ages with your
insight and enthusiasm. Thank you to our listeners for helping us
grow our production and for your thoughtful suggestions and
terrific online discussion. And of course, a very special thank you
to the amazing team of volunteers who make our project possible. It
has been a great experience working with each of you and I look
forward to what the next 4 years will bring.

Feature Guest: Feryal Özel

As we speak astronomers are busy building the world’s biggest
telescope. And when it becomes operational one year from now the
globe-spanning Event Horizon Telescope will be aimed at the
supermassive black hole at the centre of our galaxy, taking the
first ever portrait of this hungry beast lying at the very core of
the Milky Way. To help us understand how studying the shadow of
supermassive black holes will provide the most rigorous test yet in
our understanding of gravity, today we’re joined at The Star Spot
by The Event Horizon Telescope’s Professor Feryal Özel

The Star Spot is Now on the Radio!

The The Star Spot podcast is now The Star Spot podcast and radio
show. That’s right. Your favourite astronomy program is now
travelling through space, specifically the 1280AM frequency. Our
broadcaster, CJRU The Scope at Ryerson, is now available on the
radio dial, which means you can join us at The Star Spot at 1280AM
every Sunday 8PM and Tuesday 6PM Eastern Time.

Current in Space

Science fiction fans are familiar with a cloaking device that
hides alien ships from an enemy. Now Tony explains how a real life
cloaking device could help us hide our entire civilization from
prying eyes. And Anuj wonders if Saturn's moons may be younger than
we thought - and what that means for our exploration of the solar
system.

About Our Guest

Feryal Özel is Professor of Astronomy and Astrophysics at the
University of Arizona. She received her Masters from the Niels Borh
Institute and her PhD from Harvard University, before working as a
NASA Hubble Postdoctoral Fellow at the Institute for Advanced Study
at Princeton. Her research focuses on neutron stars and black
holes, and the relationship of black holes and galaxies in the
early universe. Professor Özel is a Fellow of the American Physical
Society and a member of the Science Academy of Turkey.

In February scientists announced the first ever discovery of gravitational waves, tiny distortions in the fabric of space-time predicted by Einstein exactly 100 years ago. The Laser Interferometer Gravitational-Wave Observatory, or LIGO, made the historic detection by studying two colliding black holes, but singularities aren’t the only source of gravitational waves.

Here to tell us how pulsars, the lighthouses of the galaxy, can be used to study gravitational waves and help us understand the forces of our universe, today we’re joined at The Star Spot by pulsar authority Ingrid Stairs

The Star Spot is Now on the Radio!

The The Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time.

Current in Space

We know the late heavy bombardment period was critical to the eventual emergence of life on Earth. But since Earth wasn't the only planet that went through such an ordeal, Anuj explains what that implies for life in the solar system. And Dave shares new evidence of the effect of ancient supernova explosions on our planet.

About Our Guest

Ingrid Stairs is Professor of Physics and Astronomy at the University of British Columbia. She received her doctoral degree from Princeton university before undertaking her postdoctral fellowship at the Jodrell Bank Observatory in the UK. Professor Stairs received the NSERC University FAculty Award as well as Princeton’s Joseph Henry Award. She is a world authority on pulsars, the energetic remnants of massive dead stars.

Here’s the ultimate challenge for science fiction. How do you describe the appearance and behaviour of an intelligent alien species when we have no example to go on but us? How can we ever know our portrayal is truly alien and not a projection of our own expectations, hopes and fears? Or has the job of science fiction all along been to hold up a mirror to ourselves? Today we're joined at The Star Spot by Brian Trent, an award-winning science fiction author who manages to blend shockingly unfamiliar alien beings within stories of profound humanity.

Today’s episode of The Star Spot is the third in a three part series featuring interviews with the keynote speakers at the 13th annual Expanding Canada’s Frontier’s symposium, this year on the topic Astronomyths: Science or Fiction?, looking at cosmology and alien life, hosted at the University of Toronto this past January.

The Star Spot is Now on the Radio!

The The Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time.

Current in Space

Did the Large Hadron Collider just discover a new heavy particle beyond the Standard Model of particular physics? Anuj reports. Then Dave explains how astronomers captured for the first time the very beginning of a supernova explosion. And Tony reveals how space rocks arriving on Earth from before the formation of the solar system show chemicals produced in long dead stars.

About Our Guest

Brian Trent is a journalist and science-fiction writer. His work appears regularly in major publications like AE - The Canadian Science Fiction Review, ANALOG, Fantasy & Science Fiction, COSMOS, Nature, Galaxy’s Edge and Daily Science Fiction. In 2013 his story “War Hero” was a winner in the Writers of the Future Contest. His most recently published Novel, Rahotep, came out in December.

Brian Trent describes himself as “a futurist with an interest in the past.” He studies how technology has affected our world in order to speculate on where we are headed. His writings on artificial intelligence, longevity research and the search for life in the universe, among other topics, lead him towards a picture of what the future looks like for our society and our species. His ideas have appeared in UTNE, The Humanist, Strange Horizons, Clarkesworld and other publications.

Are we alone in the universe? Think about it. Whatever the answer, it is one of the most profound and enduring questions humans have ever asked. The fact that we are on the cusp of being able to answer it is incredible. But the challenge is still immense, for we’re not even sure exactly how to define life.

And yet there’s no one better equipped to tackle this mystery then an astrobiologist who is presenting working to recreate life in the lab. Today we’re joined at The Star Spot by senior NASA astrobiology Professor Lynn Rothschild who will update us on our search for life in space and our new efforts to build synthetic biology here on Earth.Today’s episode of The Star Spot is the second in a three part series featuring interviews with the keynote speakers at the 13th annual Expanding Canada’s Frontier’s symposium, this year on the topic Astronomyths: Science or Fiction?, looking at cosmology and alien life, hosted at the University of Toronto this past January. In our next episode we will speak with Brian Trent, award-winning science fiction author and futurist.

The Star Spot Hits the Airwaves!

Coming soon, your favourite astronomy program will be travelling through space… well through the airwaves at least. The Star Spot, broadcast on CJRU, The Scope at Ryerson, will be on the air at 1280AM on the radio dial starting in April. You’ll be able to catch the latest episode every Sunday at 8PM and Tuesday at 6PM Eastern Time. Visithttp://www.thescopeatryerson.ca/ to learn more about our partner radio station.

Current in Space

Anuj asks how today's stromatolites can tell us about the habitability of the ancient Earth. And Tony bring news of cutting edge technology that promises advances in the imaging of planets beyond our solar system.

About Our Guest

Professor Lynn J. Rothschild is senior scientist at NASA’s Ames Research Center and Adjunct Professor at Brown University and the University of California Santa Cruz.

Professor Rothschild is a world authority in the field of astrobiology. She founded and ran the first three Astrobiology Science Conferences, was the founding co-editor of the International Journal of Astrobiology, and is the former director of the Astrobiology Strategic Analysis and Support Office for NASA.

A well-rounded astrobiologist, Dr. Rothschild works on various models for the origin of life, studies the interaction of environment on biology, explores life in extreme environments and looks for signs of life on other worlds.

Recently she has been pioneering the new field of synthetic biology. Her award-winning iGem team is investigating the use of synthetic biology to accomplish space exploration missions, including the future human settlement of Mars.

Professor Rothschild has received the Isaac Asimov Award from the American Humanist Association and the Horace Mann Award from Brown University. She is a Fellow of the Linnean Society of London, The California Academy of Sciences and the Explorer’s Club.

Could the very first moments of our universe hold the secret to the eventual emergence of life billions of years later? And can life exist in the unimaginably far future, or does the life of the universe effectively die? From the deep past to the infinite future, today we're joined at The Star Spot by Professor Fred Adams to discuss the intersection of cosmology and life.

The Star Spot Hits the Airwaves!

Coming soon, your favourite astronomy program will be travelling through space… well through the airwaves at least. The Star Spot, broadcast on CJRU, The Scope at Ryerson, will be on the air at 1280AM on the radio dial starting in April. You’ll be able to catch the latest episode every Sunday at 8PM and Tuesday at 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

Thinking of moving to Mars?

Then you better attend the upcoming panel discussion, March 16th at the University of Toronto. The event will feature six amazing panelists from the fields of physics, astronomy, philosophy, commerce, environmental science, planetary protection and political science, all brought together to explore the possibilities and implications of Martian settlement. Come join me as I moderate this exciting and unique debate, and meet up with members of The Star Spot and the U of T Astronomy and Space Exploration Society

About Our Guest

Today’s episode of The Star Spot is the first in a three part series featuring interviews with the keynote speakers at the 13th annual Expanding Canada’s Frontier’s symposium, this year on the topic Astronomyths: Science or Fiction?, looking at cosmology and alien life, hosted at the University of Toronto this past January. In our subsequent two episodes we will speak with Professor Lynn Rothschild, senior scientist at NASA’s Ames Research Center, and then Brian Trent, award-winning science fiction author and futurist.

Today I’m excited to be joined by Professor Fred Adams. Professor Adams served as a postdoctoral research fellow at the Harvard-Smithsonian Center for Astrophysics before joining the Physics Department at the University of Michigan, where he is now Full Professor. Professor Adams has won many awards, including the the Helen B. Warner Prize from the American Astronomical Society, the Young Investigator Award from the National Science Foundation, and the Excellence in Education Award from the University of Michigan. In 2014, we was elected a fellow of the American Physical Society.

Professor Adams has an interest in how things form, whether we’re talking the formation of stars, of planetary systems or of the universe itself. Recently he has turned his focus to how things end, with cosmological work that is considering the long term evolution and fate of our universe. Professor Adams is an author of several astronomy books for the public, includingThe Five Ages of the Universe: Inside the Physics of Eternity and Origins of Existence: How Life Emerged in the Universe.

Have you heard of the Great Attractor or the Great Wall? The universe evolved from a hot dense not quite perfectly uniform state to now contain galaxies in sheet-like structures separated by huge voids. These clusters and superclusters of galaxies make up the largest scale structure in the observable universe. How exactly did they emerge, what role does dark matter and dark energy play in the evolution of structure and just where is our universe headed? To help us answer those questions today we’re joined at The Star Spot by cosmologist Gil Holder.

Current in Space

With the building of the James Webb Space Telescope coming along quickly, Anuj explains how the successor to Hubble will open a new window on the universe? And following the recent 40th anniversary of the Apollo 1 disaster, Tony reflect on three major tragedies in the history of space exploration and reflects on why it’s still worth the risk. Finally Dave reports on the groundbreaking discovery of gravitational waves via one of the most powerful phenomena in the universe: binary black hole mergers.

About Our Guest

Gil Holder is Canada Research Chair in Cosmological Astrophysics at McGill University and a Scholar at the Canadian Institute for Advanced Research. Dr. Holder received his PhD from the University of Chicago and was a Keck Fellow at the Institute for Advanced Study from 2001 to 2004. His research focuses on unique methods of studying structure formation in the universe.

Humanoid... grey in colour… almond shaped eyes. You all know exactly what I’m describing, but have you ever wondered just how the public’s perception of aliens came to be? Today we’re joined at The Star Spot by Professor Don Lincoln, renowned particle physicist and author of Alien Universe: Extraterrestrial Life in Our Minds and in the Cosmos. Does our conversation and beliefs about aliens tell us more about us than them, and how might first contact with an alien intelligence change everything.

Current in Space

Star Trek-like alien interactions might be possible after all... if you live at the centre of a globular cluster. Then, we look at a conspiracy theory that's no longer so out there, because Planet X is back, with a vengeance. And gardening arrives at the ISS, meaning astronauts may eventually enjoy the fruits of their labour. Extremophiles are also heading to the space station, as we test their habitability in Mars-like conditions.

About Our Guest

Don Lincoln is a senior physicist at Fermilab, America’s flagship particle physics laboratory, and adjunct Professor of Physics at the University of Notre Dame. He is co-discover of the top quark and was part of the team that discovered the Higgs boson in 2012. Professor Lincoln is the author of several public science books, including Understanding the Universe: From Quarks to the Cosmos, The Large Hadron Collider: The Extraordinary Story of the Higgs Boson and Other Things That Will Blow Your Mind and Alien Universe: Extraterrestrials in our Minds and in the Cosmos.